Just as C is sometimes thought of as a "high-level assembly language, " you can think of GDI as a high-level interface to the hardware of the graphics device.
正如C 有时候被看作是“高级汇编语言”一样，你可以把GDI 看作是图形设备硬件的高级接口。
The marking code can be read out by using C language code with called back the interface function for the DS1991A.
并针对DS1991A器件，编写C语言代码调用接口函数，成功地读出了标识码。
The paper discusses the process of human-machine interface design in detail by using C language and taking menus transition for example.
以液晶显示菜单的转换为例，详细论述了使用C语言设计人机界面的过程。
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